NL99092C - - Google Patents
Info
- Publication number
- NL99092C NL99092C NL99092DA NL99092C NL 99092 C NL99092 C NL 99092C NL 99092D A NL99092D A NL 99092DA NL 99092 C NL99092 C NL 99092C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
- G01N27/66—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR810062X | 1956-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL99092C true NL99092C (en) |
Family
ID=9254163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL99092D NL99092C (en) | 1956-04-06 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB810062A (en) |
| NL (1) | NL99092C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3378725A (en) * | 1964-04-15 | 1968-04-16 | Beckman Instruments Inc | Electron capture detector having separate ionization and sensing regions |
| JPS5538607B2 (en) * | 1973-11-06 | 1980-10-06 | ||
| US4053825A (en) * | 1974-07-22 | 1977-10-11 | General Electric Company | Ionization chamber type gas leak detector operating in the high voltage avalanche region |
| US5153520A (en) * | 1984-10-03 | 1992-10-06 | Dumbeck Robert F | Identifying and quantifying the presence of alpha radiation and specific gaseous molecules present in air samples |
| EP2951569A4 (en) * | 2013-01-31 | 2016-09-21 | Smiths Detection Montreal Inc | Surface ionization source |
-
0
- NL NL99092D patent/NL99092C/xx active
-
1956
- 1956-10-15 GB GB31306/56A patent/GB810062A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB810062A (en) | 1959-03-11 |